Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
247 PM CST Sat Dec 6 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-072100-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
247 PM CST Sat Dec 6 2025 /347 PM EST Sat Dec 6 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Elevated Snow Risk Tonight.
Limited Ice Accumulation Risk South of I-80 Tonight.
DISCUSSION...
Accumulating snow late this evening through Sunday morning will
lead to hazardous travel conditions across the area.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday Morning...
Elevated Snow Risk.
Sunday afternoon through Monday Morning.
Limited Lake Effect Snow Risk.
Tuesday through Friday...
Limited Snow Risk.
Thursday night into Friday Morning...
Limited Excessive Cold Risk.
DISCUSSION...
A series of clipper systems moving across the Great Lakes may
bring regular opportunities for snow and travel impacts to the
local area through the week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook...UPDATED
National Weather Service Milwaukee/Sullivan WI
912 PM CST Sat Dec 6 2025
WIZ046-047-051-052-056>060-062>072-080315-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
912 PM CST Sat Dec 6 2025
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
A Winter Weather Advisory is in effect for Sauk County to
Milwaukee County and southward into early Sunday morning.
Widespread accumulating snowfall is expected. Snow totals ranging
from 1 to 3 inches north of Interstate 90 and 94 to 3 to 5 inches
along and south of there. Localized totals around 6 inches are
possible in far southwestern and far southeastern Wisconsin.
.DAYS TWO THROUGH SEVEN...Sunday through Saturday
Accumulating snowfall will end early Sunday morning.
Additional rounds of snowfall will be possible again Monday night
into Tuesday and Tuesday night into Wednesday. Additional rounds
of snowfall are then possible through the end of the work week,
but confidence in timing is much lower.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Lincoln IL
458 PM CST Sat Dec 6 2025
ILZ027>031-036>038-040>048-053>057-063-071200-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Macon-
Moultrie-Douglas-Coles-Edgar-Clark-
458 PM CST Sat Dec 6 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois and west central Illinois.
.DAY ONE...Tonight.
A wintry mix of snow and freezing rain or freezing drizzle is
expected late this evening and overnight. A glaze of ice will result
in slippery conditions on untreated surfaces.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Temperatures Sunday night and Monday morning will be in the single
digits, with wind chill values as cold as 5 degrees below zero.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
253 PM CST Sat Dec 6 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-072100-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
253 PM CST Sat Dec 6 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...THIS AFTERNOON AND TONIGHT
Accumulating snow will be seen tonight. Mixed precipitation, along
with a light glaze of ice, is possible along and south of an
Ottumwa, Iowa to Galesburg, Illinois line.
Winter storm warnings have been issued for a small part of the
area. A 20 to 25 mile wide band of 5 to 7 inches of accumulation
is expected in parts of the warning area. The rough axis of the
heaviest snow is from just south of Waterloo, Iowa to
Milledgeville, Illinois.
Outside of the warning area, winter weather advisories remain in
effect for most of the area. Accumulating snow of 2 to 5 inches is
expected along and north of Interstate 80. South of Interstate 80
accumulations of 1 to 2 inches are expected. South of a
Washington, Iowa to Aledo, Illinois line, snowfall amounts will be
under an inch.
.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY
Gusty north winds on Sunday may lead to blowing and drifting snow
in open and rural areas.
There is a chance for snow Wednesday night into Thursday. At this
time, snowfall amounts look to be light.
.SPOTTER INFORMATION STATEMENT...
Snowfall reports of an inch or more and any ice reports will be
appreciated.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
332 PM EST Sat Dec 6 2025
LMZ844>849-070915-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
332 PM EST Sat Dec 6 2025
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...This Evening and Tonight
Winds and waves will create hazardous conditions into this evening.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
Winds and waves are likely to create periods of hazardous
conditions through the next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
332 PM EST Sat Dec 6 2025
MIZ037>040-043>046-050>052-056>059-064>067-071>074-070915-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
332 PM EST Sat Dec 6 2025
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...This Evening and Tonight
Light snow will develop after midnight. Roads will likely become
slick overnight and into Sunday morning.
.DAYS TWO THROUGH SEVEN...Sunday through Friday
We are looking at multiple systems over the next week that will
bring snow accumulations to the area. Colder temperatures and
snowfall will make for winter driving conditions much of the next 7
days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Northern Indiana
301 PM EST Sat Dec 6 2025
INZ005>009-012>015-017-018-020-022>027-032>034-103-104-116-203-204-
216-MIZ078>081-177-277-OHZ001-002-004-005-015-016-024-025-072015-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Northern La Porte-
Eastern St. Joseph IN-Northern Kosciusko-Southern La Porte-
Western St. Joseph IN-Southern Kosciusko-Cass MI-St. Joseph MI-
Branch-Hillsdale-Northern Berrien-Southern Berrien-Williams-
Fulton OH-Defiance-Henry-Paulding-Putnam-Van Wert-Allen OH-
301 PM EST Sat Dec 6 2025 /201 PM CST Sat Dec 6 2025/
This Hazardous Weather Outlook is for northern Indiana, southwest
Michigan and northwest Ohio.
.DAY ONE...This afternoon and tonight.
Snowfall expected tonight into Sunday should accumulate from 1 to 2
inches with a few localized 3 inch totals. Significant impacts are
not expected; however, numerous rural roads in open areas remain
slippery in places from recent snowfall drifts and icy spots.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Snowfall will continue into Sunday before diminishing by Sunday
afternoon. Total accumulations from 1 to 3 inches. Significant
impacts are not expected; however, numerous rural roads in open areas
remain slippery in places from recent snowfall drifts and icy spots.
Cold temperatures near zero and wind chill readings below zero are
expected late Sunday night into Monday morning and Monday night into
Tuesday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
240 PM EST Sat Dec 6 2025
INZ021-028>031-035>049-051>057-060>065-067>072-071945-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
240 PM EST Sat Dec 6 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Through Tonight.
Light snow and freezing drizzle is possible late tonight across far
N/NW portions of central Indiana. Little to no accumulation is
expected.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Light snow accumulations are possible Sunday morning over north-
central Indiana.
There are chances for snow on Wednesday Night through Saturday.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report any light snow accumulations Sunday.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
JP
